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* gimplify.c (find_single_pointer_decl_1): New static function.
[official-gcc.git] / gcc / ada / clean.adb
blobc70cec7ff1e00627a5e725c8d0642ae4e265e057
1 ------------------------------------------------------------------------------
2 -- --
3 -- GNAT COMPILER COMPONENTS --
4 -- --
5 -- C L E A N --
6 -- --
7 -- B o d y --
8 -- --
9 -- Copyright (C) 2003-2005, Free Software Foundation, Inc. --
10 -- --
11 -- GNAT is free software; you can redistribute it and/or modify it under --
12 -- terms of the GNU General Public License as published by the Free Soft- --
13 -- ware Foundation; either version 2, or (at your option) any later ver- --
14 -- sion. GNAT is distributed in the hope that it will be useful, but WITH- --
15 -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY --
16 -- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License --
17 -- for more details. You should have received a copy of the GNU General --
18 -- Public License distributed with GNAT; see file COPYING. If not, write --
19 -- to the Free Software Foundation, 51 Franklin Street, Fifth Floor, --
20 -- Boston, MA 02110-1301, USA. --
21 -- --
22 -- GNAT was originally developed by the GNAT team at New York University. --
23 -- Extensive contributions were provided by Ada Core Technologies Inc. --
24 -- --
25 ------------------------------------------------------------------------------
26
27 with Ada.Command_Line; use Ada.Command_Line;
28
29 with ALI; use ALI;
30 with Csets;
31 with Gnatvsn;
32 with Hostparm;
33 with Makeutl;
34 with MLib.Tgt; use MLib.Tgt;
35 with Namet; use Namet;
36 with Opt; use Opt;
37 with Osint; use Osint;
38 with Osint.M; use Osint.M;
39 with Prj; use Prj;
40 with Prj.Env;
41 with Prj.Ext;
42 with Prj.Pars;
43 with Prj.Util; use Prj.Util;
44 with Snames;
45 with Table;
46 with Types; use Types;
47
48 with GNAT.Directory_Operations; use GNAT.Directory_Operations;
49 with GNAT.IO; use GNAT.IO;
50 with GNAT.OS_Lib; use GNAT.OS_Lib;
51
52 package body Clean is
53
54 Initialized : Boolean := False;
55 -- Set to True by the first call to Initialize.
56 -- To avoid reinitialization of some packages.
57
58 -- Suffixes of various files
59
60 Assembly_Suffix : constant String := ".s";
61 ALI_Suffix : constant String := ".ali";
62 Tree_Suffix : constant String := ".adt";
63 Object_Suffix : constant String := Get_Object_Suffix.all;
64 Debug_Suffix : String := ".dg";
65 -- Changed to "_dg" for VMS in the body of the package
66
67 Repinfo_Suffix : String := ".rep";
68 -- Changed to "_rep" for VMS in the body of the package
69
70 B_Start : String := "b~";
71 -- Prefix of binder generated file.
72 -- Changed to "b$" for VMS in the body of the package.
73
74 Object_Directory_Path : String_Access := null;
75 -- The path name of the object directory, set with switch -D
76
77 Force_Deletions : Boolean := False;
78 -- Set to True by switch -f. When True, attempts to delete non writable
79 -- files will be done.
80
81 Do_Nothing : Boolean := False;
82 -- Set to True when switch -n is specified. When True, no file is deleted.
83 -- gnatclean only lists the files that would have been deleted if the
84 -- switch -n had not been specified.
85
86 File_Deleted : Boolean := False;
87 -- Set to True if at least one file has been deleted
88
89 Copyright_Displayed : Boolean := False;
90 Usage_Displayed : Boolean := False;
91
92 Project_File_Name : String_Access := null;
93
94 Project_Tree : constant Prj.Project_Tree_Ref := new Prj.Project_Tree_Data;
95
96 Main_Project : Prj.Project_Id := Prj.No_Project;
97
98 All_Projects : Boolean := False;
99
100 -- Packages of project files where unknown attributes are errors
101
102 Naming_String : aliased String := "naming";
103 Builder_String : aliased String := "builder";
104 Compiler_String : aliased String := "compiler";
105 Binder_String : aliased String := "binder";
106 Linker_String : aliased String := "linker";
107
108 Gnatmake_Packages : aliased String_List :=
109 (Naming_String 'Access,
110 Builder_String 'Access,
111 Compiler_String 'Access,
112 Binder_String 'Access,
113 Linker_String 'Access);
114
115 Packages_To_Check_By_Gnatmake : constant String_List_Access :=
116 Gnatmake_Packages'Access;
117
118 package Processed_Projects is new Table.Table
119 (Table_Component_Type => Project_Id,
120 Table_Index_Type => Natural,
121 Table_Low_Bound => 0,
122 Table_Initial => 10,
123 Table_Increment => 10,
124 Table_Name => "Clean.Processed_Projects");
125 -- Table to keep track of what project files have been processed, when
126 -- switch -r is specified.
127
128 package Sources is new Table.Table
129 (Table_Component_Type => File_Name_Type,
130 Table_Index_Type => Natural,
131 Table_Low_Bound => 0,
132 Table_Initial => 10,
133 Table_Increment => 10,
134 Table_Name => "Clean.Processed_Projects");
135 -- Table to store all the source files of a library unit: spec, body and
136 -- subunits, to detect .dg files and delete them.
137
138 ----------------------------
139 -- Queue (Q) manipulation --
140 ----------------------------
141
142 procedure Init_Q;
143 -- Must be called to initialize the Q
144
145 procedure Insert_Q (Lib_File : File_Name_Type);
146 -- If Lib_File is not marked, inserts it at the end of Q and mark it
147
148 function Empty_Q return Boolean;
149 -- Returns True if Q is empty
150
151 procedure Extract_From_Q (Lib_File : out File_Name_Type);
152 -- Extracts the first element from the Q
153
154 Q_Front : Natural;
155 -- Points to the first valid element in the Q
156
157 package Q is new Table.Table (
158 Table_Component_Type => File_Name_Type,
159 Table_Index_Type => Natural,
160 Table_Low_Bound => 0,
161 Table_Initial => 4000,
162 Table_Increment => 100,
163 Table_Name => "Clean.Q");
164 -- This is the actual queue
165
166 -----------------------------
167 -- Other local subprograms --
168 -----------------------------
169
170 procedure Add_Source_Dir (N : String);
171 -- Call Add_Src_Search_Dir.
172 -- Output one line when in verbose mode.
173
174 procedure Add_Source_Directories is
175 new Prj.Env.For_All_Source_Dirs (Action => Add_Source_Dir);
176
177 procedure Add_Object_Dir (N : String);
178 -- Call Add_Lib_Search_Dir.
179 -- Output one line when in verbose mode.
180
181 procedure Add_Object_Directories is
182 new Prj.Env.For_All_Object_Dirs (Action => Add_Object_Dir);
183
184 function ALI_File_Name (Source : Name_Id) return String;
185 -- Returns the name of the ALI file corresponding to Source
186
187 function Assembly_File_Name (Source : Name_Id) return String;
188 -- Returns the assembly file name corresponding to Source
189
190 procedure Clean_Archive (Project : Project_Id);
191 -- Delete a global archive or a fake library project archive and the
192 -- dependency file, if they exist.
193
194 procedure Clean_Directory (Dir : Name_Id);
195 -- Delete all regular files in a library directory or in a library
196 -- interface dir.
197
198 procedure Clean_Executables;
199 -- Do the cleaning work when no project file is specified
200
201 procedure Clean_Project (Project : Project_Id);
202 -- Do the cleaning work when a project file is specified.
203 -- This procedure calls itself recursively when there are several
204 -- project files in the tree rooted at the main project file and switch -r
205 -- has been specified.
206
207 function Debug_File_Name (Source : Name_Id) return String;
208 -- Name of the expanded source file corresponding to Source
209
210 procedure Delete (In_Directory : String; File : String);
211 -- Delete one file, or list the file name if switch -n is specified
212
213 procedure Delete_Binder_Generated_Files (Dir : String; Source : Name_Id);
214 -- Delete the binder generated file in directory Dir for Source, if they
215 -- exist: for Unix these are b~<source>.ads, b~<source>.adb,
216 -- b~<source>.ali and b~<source>.o.
217
218 procedure Display_Copyright;
219 -- Display the Copyright notice.
220 -- If called several times, display the Copyright notice only the first
221 -- time.
222
223 procedure Initialize;
224 -- Call the necessary package initializations
225
226 function Object_File_Name (Source : Name_Id) return String;
227 -- Returns the object file name corresponding to Source
228
229 procedure Parse_Cmd_Line;
230 -- Parse the command line
231
232 function Repinfo_File_Name (Source : Name_Id) return String;
233 -- Returns the repinfo file name corresponding to Source
234
235 function Tree_File_Name (Source : Name_Id) return String;
236 -- Returns the tree file name corresponding to Source
237
238 function In_Extension_Chain
239 (Of_Project : Project_Id;
240 Prj : Project_Id) return Boolean;
241 -- Returns True iff Prj is an extension of Of_Project or if Of_Project is
242 -- an extension of Prj.
243
244 procedure Usage;
245 -- Display the usage.
246 -- If called several times, the usage is displayed only the first time.
247
248 --------------------
249 -- Add_Object_Dir --
250 --------------------
251
252 procedure Add_Object_Dir (N : String) is
253 begin
254 Add_Lib_Search_Dir (N);
255
256 if Opt.Verbose_Mode then
257 Put ("Adding object directory """);
258 Put (N);
259 Put (""".");
260 New_Line;
261 end if;
262 end Add_Object_Dir;
263
264 --------------------
265 -- Add_Source_Dir --
266 --------------------
267
268 procedure Add_Source_Dir (N : String) is
269 begin
270 Add_Src_Search_Dir (N);
271
272 if Opt.Verbose_Mode then
273 Put ("Adding source directory """);
274 Put (N);
275 Put (""".");
276 New_Line;
277 end if;
278 end Add_Source_Dir;
279
280 -------------------
281 -- ALI_File_Name --
282 -------------------
283
284 function ALI_File_Name (Source : Name_Id) return String is
285 Src : constant String := Get_Name_String (Source);
286
287 begin
288 -- If the source name has an extension, then replace it with
289 -- the ALI suffix.
290
291 for Index in reverse Src'First + 1 .. Src'Last loop
292 if Src (Index) = '.' then
293 return Src (Src'First .. Index - 1) & ALI_Suffix;
294 end if;
295 end loop;
296
297 -- If there is no dot, or if it is the first character, just add the
298 -- ALI suffix.
299
300 return Src & ALI_Suffix;
301 end ALI_File_Name;
302
303 ------------------------
304 -- Assembly_File_Name --
305 ------------------------
306
307 function Assembly_File_Name (Source : Name_Id) return String is
308 Src : constant String := Get_Name_String (Source);
309
310 begin
311 -- If the source name has an extension, then replace it with
312 -- the assembly suffix.
313
314 for Index in reverse Src'First + 1 .. Src'Last loop
315 if Src (Index) = '.' then
316 return Src (Src'First .. Index - 1) & Assembly_Suffix;
317 end if;
318 end loop;
319
320 -- If there is no dot, or if it is the first character, just add the
321 -- assembly suffix.
322
323 return Src & Assembly_Suffix;
324 end Assembly_File_Name;
325
326 -------------------
327 -- Clean_Archive --
328 -------------------
329
330 procedure Clean_Archive (Project : Project_Id) is
331 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
332 Data : constant Project_Data :=
333 Project_Tree.Projects.Table (Project);
334
335 Archive_Name : constant String :=
336 "lib" & Get_Name_String (Data.Name) & '.' & Archive_Ext;
337 -- The name of the archive file for this project
338
339 Archive_Dep_Name : constant String :=
340 "lib" & Get_Name_String (Data.Name) & ".deps";
341 -- The name of the archive dependency file for this project
342
343 Obj_Dir : constant String := Get_Name_String (Data.Object_Directory);
344
345 begin
346 Change_Dir (Obj_Dir);
347
348 if Is_Regular_File (Archive_Name) then
349 Delete (Obj_Dir, Archive_Name);
350 end if;
351
352 if Is_Regular_File (Archive_Dep_Name) then
353 Delete (Obj_Dir, Archive_Dep_Name);
354 end if;
355
356 Change_Dir (Current_Dir);
357 end Clean_Archive;
358
359 ---------------------
360 -- Clean_Directory --
361 ---------------------
362
363 procedure Clean_Directory (Dir : Name_Id) is
364 Directory : constant String := Get_Name_String (Dir);
365 Current : constant Dir_Name_Str := Get_Current_Dir;
366
367 Direc : Dir_Type;
368
369 Name : String (1 .. 200);
370 Last : Natural;
371
372 begin
373 Change_Dir (Directory);
374 Open (Direc, ".");
375
376 -- For each regular file in the directory, if switch -n has not been
377 -- specified, make it writable and delete the file.
378
379 loop
380 Read (Direc, Name, Last);
381 exit when Last = 0;
382
383 if Is_Regular_File (Name (1 .. Last)) then
384 if not Do_Nothing then
385 Set_Writable (Name (1 .. Last));
386 end if;
387
388 Delete (Directory, Name (1 .. Last));
389 end if;
390 end loop;
391
392 Close (Direc);
393
394 -- Restore the initial working directory
395
396 Change_Dir (Current);
397 end Clean_Directory;
398
399 -----------------------
400 -- Clean_Executables --
401 -----------------------
402
403 procedure Clean_Executables is
404 Main_Source_File : File_Name_Type;
405 -- Current main source
406
407 Main_Lib_File : File_Name_Type;
408 -- ALI file of the current main
409
410 Lib_File : File_Name_Type;
411 -- Current ALI file
412
413 Full_Lib_File : File_Name_Type;
414 -- Full name of the current ALI file
415
416 Text : Text_Buffer_Ptr;
417 The_ALI : ALI_Id;
418
419 begin
420 Init_Q;
421
422 -- It does not really matter if there is or not an object file
423 -- corresponding to an ALI file: if there is one, it will be deleted.
424
425 Opt.Check_Object_Consistency := False;
426
427 -- Proceed each executable one by one. Each source is marked as it is
428 -- processed, so common sources between executables will not be
429 -- processed several times.
430
431 for N_File in 1 .. Osint.Number_Of_Files loop
432 Main_Source_File := Next_Main_Source;
433 Main_Lib_File := Osint.Lib_File_Name
434 (Main_Source_File, Current_File_Index);
435 Insert_Q (Main_Lib_File);
436
437 while not Empty_Q loop
438 Sources.Set_Last (0);
439 Extract_From_Q (Lib_File);
440 Full_Lib_File := Osint.Full_Lib_File_Name (Lib_File);
441
442 -- If we have existing ALI file that is not read-only, process it
443
444 if Full_Lib_File /= No_File
445 and then not Is_Readonly_Library (Full_Lib_File)
446 then
447 Text := Read_Library_Info (Lib_File);
448
449 if Text /= null then
450 The_ALI :=
451 Scan_ALI (Lib_File, Text, Ignore_ED => False, Err => True);
452 Free (Text);
453
454 -- If no error was produced while loading this ALI file,
455 -- insert into the queue all the unmarked withed sources.
456
457 if The_ALI /= No_ALI_Id then
458 for J in ALIs.Table (The_ALI).First_Unit ..
459 ALIs.Table (The_ALI).Last_Unit
460 loop
461 Sources.Increment_Last;
462 Sources.Table (Sources.Last) :=
463 ALI.Units.Table (J).Sfile;
464
465 for K in ALI.Units.Table (J).First_With ..
466 ALI.Units.Table (J).Last_With
467 loop
468 Insert_Q (Withs.Table (K).Afile);
469 end loop;
470 end loop;
471
472 -- Look for subunits and put them in the Sources table
473
474 for J in ALIs.Table (The_ALI).First_Sdep ..
475 ALIs.Table (The_ALI).Last_Sdep
476 loop
477 if Sdep.Table (J).Subunit_Name /= No_Name then
478 Sources.Increment_Last;
479 Sources.Table (Sources.Last) :=
480 Sdep.Table (J).Sfile;
481 end if;
482 end loop;
483 end if;
484 end if;
485
486 -- Now delete all existing files corresponding to this ALI file
487
488 declare
489 Obj_Dir : constant String :=
490 Dir_Name (Get_Name_String (Full_Lib_File));
491 Obj : constant String := Object_File_Name (Lib_File);
492 Adt : constant String := Tree_File_Name (Lib_File);
493 Asm : constant String := Assembly_File_Name (Lib_File);
494
495 begin
496 Delete (Obj_Dir, Get_Name_String (Lib_File));
497
498 if Is_Regular_File (Obj_Dir & Dir_Separator & Obj) then
499 Delete (Obj_Dir, Obj);
500 end if;
501
502 if Is_Regular_File (Obj_Dir & Dir_Separator & Adt) then
503 Delete (Obj_Dir, Adt);
504 end if;
505
506 if Is_Regular_File (Obj_Dir & Dir_Separator & Asm) then
507 Delete (Obj_Dir, Asm);
508 end if;
509
510 -- Delete expanded source files (.dg) and/or repinfo files
511 -- (.rep) if any
512
513 for J in 1 .. Sources.Last loop
514 declare
515 Deb : constant String :=
516 Debug_File_Name (Sources.Table (J));
517 Rep : constant String :=
518 Repinfo_File_Name (Sources.Table (J));
519
520 begin
521 if Is_Regular_File (Obj_Dir & Dir_Separator & Deb) then
522 Delete (Obj_Dir, Deb);
523 end if;
524
525 if Is_Regular_File (Obj_Dir & Dir_Separator & Rep) then
526 Delete (Obj_Dir, Rep);
527 end if;
528 end;
529 end loop;
530 end;
531 end if;
532 end loop;
533
534 -- Delete the executable, if it exists, and the binder generated
535 -- files, if any.
536
537 if not Compile_Only then
538 declare
539 Source : constant Name_Id := Strip_Suffix (Main_Lib_File);
540 Executable : constant String := Get_Name_String
541 (Executable_Name (Source));
542 begin
543 if Is_Regular_File (Executable) then
544 Delete ("", Executable);
545 end if;
546
547 Delete_Binder_Generated_Files (Get_Current_Dir, Source);
548 end;
549 end if;
550 end loop;
551 end Clean_Executables;
552
553 -------------------
554 -- Clean_Project --
555 -------------------
556
557 procedure Clean_Project (Project : Project_Id) is
558 Main_Source_File : File_Name_Type;
559 -- Name of executable on the command line without directory info
560
561 Executable : Name_Id;
562 -- Name of the executable file
563
564 Current_Dir : constant Dir_Name_Str := Get_Current_Dir;
565 Data : constant Project_Data :=
566 Project_Tree.Projects.Table (Project);
567 U_Data : Unit_Data;
568 File_Name1 : Name_Id;
569 Index1 : Int;
570 File_Name2 : Name_Id;
571 Index2 : Int;
572 Lib_File : File_Name_Type;
573
574 Source_Id : Other_Source_Id;
575 Source : Other_Source;
576
577 Global_Archive : Boolean := False;
578
579 begin
580 -- Check that we don't specify executable on the command line for
581 -- a main library project.
582
583 if Project = Main_Project
584 and then Osint.Number_Of_Files /= 0
585 and then Data.Library
586 then
587 Osint.Fail
588 ("Cannot specify executable(s) for a Library Project File");
589 end if;
590
591 if Verbose_Mode then
592 Put ("Cleaning project """);
593 Put (Get_Name_String (Data.Name));
594 Put_Line ("""");
595 end if;
596
597 -- Add project to the list of processed projects
598
599 Processed_Projects.Increment_Last;
600 Processed_Projects.Table (Processed_Projects.Last) := Project;
601
602 if Data.Object_Directory /= No_Name then
603 declare
604 Obj_Dir : constant String :=
605 Get_Name_String (Data.Object_Directory);
606
607 begin
608 Change_Dir (Obj_Dir);
609
610 -- First, deal with Ada
611
612 -- Look through the units to find those that are either immediate
613 -- sources or inherited sources of the project.
614
615 if Data.Languages (Ada_Language_Index) then
616 for Unit in Unit_Table.First ..
617 Unit_Table.Last (Project_Tree.Units)
618 loop
619 U_Data := Project_Tree.Units.Table (Unit);
620 File_Name1 := No_Name;
621 File_Name2 := No_Name;
622
623 -- If either the spec or the body is a source of the
624 -- project, check for the corresponding ALI file in the
625 -- object directory.
626
627 if In_Extension_Chain
628 (U_Data.File_Names (Body_Part).Project, Project)
629 or else
630 In_Extension_Chain
631 (U_Data.File_Names (Specification).Project, Project)
632 then
633 File_Name1 := U_Data.File_Names (Body_Part).Name;
634 Index1 := U_Data.File_Names (Body_Part).Index;
635 File_Name2 := U_Data.File_Names (Specification).Name;
636 Index2 := U_Data.File_Names (Specification).Index;
637
638 -- If there is no body file name, then there may be only
639 -- a spec.
640
641 if File_Name1 = No_Name then
642 File_Name1 := File_Name2;
643 Index1 := Index2;
644 File_Name2 := No_Name;
645 Index2 := 0;
646 end if;
647 end if;
648
649 -- If there is either a spec or a body, look for files
650 -- in the object directory.
651
652 if File_Name1 /= No_Name then
653 Lib_File := Osint.Lib_File_Name (File_Name1, Index1);
654
655 declare
656 Asm : constant String := Assembly_File_Name (Lib_File);
657 ALI : constant String := ALI_File_Name (Lib_File);
658 Obj : constant String := Object_File_Name (Lib_File);
659 Adt : constant String := Tree_File_Name (Lib_File);
660 Deb : constant String :=
661 Debug_File_Name (File_Name1);
662 Rep : constant String :=
663 Repinfo_File_Name (File_Name1);
664 Del : Boolean := True;
665
666 begin
667 -- If the ALI file exists and is read-only, no file
668 -- is deleted.
669
670 if Is_Regular_File (ALI) then
671 if Is_Writable_File (ALI) then
672 Delete (Obj_Dir, ALI);
673
674 else
675 Del := False;
676
677 if Verbose_Mode then
678 Put ('"');
679 Put (Obj_Dir);
680
681 if Obj_Dir (Obj_Dir'Last) /=
682 Dir_Separator
683 then
684 Put (Dir_Separator);
685 end if;
686
687 Put (ALI);
688 Put_Line (""" is read-only");
689 end if;
690 end if;
691 end if;
692
693 if Del then
694
695 -- Object file
696
697 if Is_Regular_File (Obj) then
698 Delete (Obj_Dir, Obj);
699 end if;
700
701 -- Assembly file
702
703 if Is_Regular_File (Asm) then
704 Delete (Obj_Dir, Asm);
705 end if;
706
707 -- Tree file
708
709 if Is_Regular_File (Adt) then
710 Delete (Obj_Dir, Adt);
711 end if;
712
713 -- First expanded source file
714
715 if Is_Regular_File (Deb) then
716 Delete (Obj_Dir, Deb);
717 end if;
718
719 -- Repinfo file
720
721 if Is_Regular_File (Rep) then
722 Delete (Obj_Dir, Rep);
723 end if;
724
725 -- Second expanded source file
726
727 if File_Name2 /= No_Name then
728 declare
729 Deb : constant String :=
730 Debug_File_Name (File_Name2);
731 Rep : constant String :=
732 Repinfo_File_Name (File_Name2);
733 begin
734 if Is_Regular_File (Deb) then
735 Delete (Obj_Dir, Deb);
736 end if;
737
738 if Is_Regular_File (Rep) then
739 Delete (Obj_Dir, Rep);
740 end if;
741 end;
742 end if;
743 end if;
744 end;
745 end if;
746 end loop;
747 end if;
748
749 -- Check if a global archive and it dependency file could have
750 -- been created and, if they exist, delete them.
751
752 if Project = Main_Project and then not Data.Library then
753 Global_Archive := False;
754
755 for Proj in Project_Table.First ..
756 Project_Table.Last (Project_Tree.Projects)
757 loop
758 if Project_Tree.Projects.Table
759 (Proj).Other_Sources_Present
760 then
761 Global_Archive := True;
762 exit;
763 end if;
764 end loop;
765
766 if Global_Archive then
767 Clean_Archive (Project);
768 end if;
769 end if;
770
771 if Data.Other_Sources_Present then
772
773 -- There is non-Ada code: delete the object files and
774 -- the dependency files if they exist.
775
776 Source_Id := Data.First_Other_Source;
777
778 while Source_Id /= No_Other_Source loop
779 Source :=
780 Project_Tree.Other_Sources.Table (Source_Id);
781
782 if Is_Regular_File
783 (Get_Name_String (Source.Object_Name))
784 then
785 Delete (Obj_Dir, Get_Name_String (Source.Object_Name));
786 end if;
787
788 if Is_Regular_File (Get_Name_String (Source.Dep_Name)) then
789 Delete (Obj_Dir, Get_Name_String (Source.Dep_Name));
790 end if;
791
792 Source_Id := Source.Next;
793 end loop;
794
795 -- If it is a library with only non Ada sources, delete
796 -- the fake archive and the dependency file, if they exist.
797
798 if Data.Library
799 and then not Data.Languages (Ada_Language_Index)
800 then
801 Clean_Archive (Project);
802 end if;
803 end if;
804 end;
805 end if;
806
807 -- If this is a library project, clean the library directory, the
808 -- interface copy dir and, for a Stand-Alone Library, the binder
809 -- generated files of the library.
810
811 -- The directories are cleaned only if switch -c is not specified
812
813 if Data.Library then
814 if not Compile_Only then
815 Clean_Directory (Data.Library_Dir);
816
817 if Data.Library_Src_Dir /= No_Name
818 and then Data.Library_Src_Dir /= Data.Library_Dir
819 then
820 Clean_Directory (Data.Library_Src_Dir);
821 end if;
822 end if;
823
824 if Data.Standalone_Library and then
825 Data.Object_Directory /= No_Name
826 then
827 Delete_Binder_Generated_Files
828 (Get_Name_String (Data.Object_Directory), Data.Library_Name);
829 end if;
830 end if;
831
832 if Verbose_Mode then
833 New_Line;
834 end if;
835
836 -- If switch -r is specified, call Clean_Project recursively for the
837 -- imported projects and the project being extended.
838
839 if All_Projects then
840 declare
841 Imported : Project_List := Data.Imported_Projects;
842 Element : Project_Element;
843 Process : Boolean;
844
845 begin
846 -- For each imported project, call Clean_Project if the project
847 -- has not been processed already.
848
849 while Imported /= Empty_Project_List loop
850 Element := Project_Tree.Project_Lists.Table (Imported);
851 Imported := Element.Next;
852 Process := True;
853
854 for
855 J in Processed_Projects.First .. Processed_Projects.Last
856 loop
857 if Element.Project = Processed_Projects.Table (J) then
858 Process := False;
859 exit;
860 end if;
861 end loop;
862
863 if Process then
864 Clean_Project (Element.Project);
865 end if;
866 end loop;
867
868 -- If this project extends another project, call Clean_Project for
869 -- the project being extended. It is guaranteed that it has not
870 -- called before, because no other project may import or extend
871 -- this project.
872
873 if Data.Extends /= No_Project then
874 Clean_Project (Data.Extends);
875 end if;
876 end;
877 end if;
878
879 -- For the main project, delete the executables and the binder
880 -- generated files.
881
882 -- The executables are deleted only if switch -c is not specified
883
884 if Project = Main_Project and then Data.Exec_Directory /= No_Name then
885 declare
886 Exec_Dir : constant String :=
887 Get_Name_String (Data.Exec_Directory);
888
889 begin
890 Change_Dir (Exec_Dir);
891
892 for N_File in 1 .. Osint.Number_Of_Files loop
893 Main_Source_File := Next_Main_Source;
894
895 if not Compile_Only then
896 Executable :=
897 Executable_Of
898 (Main_Project,
899 Project_Tree,
900 Main_Source_File,
901 Current_File_Index);
902
903 declare
904 Exec_File_Name : constant String :=
905 Get_Name_String (Executable);
906
907 begin
908 if Is_Absolute_Path (Name => Exec_File_Name) then
909 if Is_Regular_File (Exec_File_Name) then
910 Delete ("", Exec_File_Name);
911 end if;
912
913 else
914 if Is_Regular_File (Exec_File_Name) then
915 Delete (Exec_Dir, Exec_File_Name);
916 end if;
917 end if;
918 end;
919 end if;
920
921 if Data.Object_Directory /= No_Name then
922 Delete_Binder_Generated_Files
923 (Get_Name_String
924 (Data.Object_Directory),
925 Strip_Suffix (Main_Source_File));
926 end if;
927 end loop;
928 end;
929 end if;
930
931 -- Change back to previous directory
932
933 Change_Dir (Current_Dir);
934 end Clean_Project;
935
936 ---------------------
937 -- Debug_File_Name --
938 ---------------------
939
940 function Debug_File_Name (Source : Name_Id) return String is
941 begin
942 return Get_Name_String (Source) & Debug_Suffix;
943 end Debug_File_Name;
944
945 ------------
946 -- Delete --
947 ------------
948
949 procedure Delete (In_Directory : String; File : String) is
950 Full_Name : String (1 .. In_Directory'Length + File'Length + 1);
951 Last : Natural := 0;
952 Success : Boolean;
953
954 begin
955 -- Indicate that at least one file is deleted or is to be deleted
956
957 File_Deleted := True;
958
959 -- Build the path name of the file to delete
960
961 Last := In_Directory'Length;
962 Full_Name (1 .. Last) := In_Directory;
963
964 if Last > 0 and then Full_Name (Last) /= Directory_Separator then
965 Last := Last + 1;
966 Full_Name (Last) := Directory_Separator;
967 end if;
968
969 Full_Name (Last + 1 .. Last + File'Length) := File;
970 Last := Last + File'Length;
971
972 -- If switch -n was used, simply output the path name
973
974 if Do_Nothing then
975 Put_Line (Full_Name (1 .. Last));
976
977 -- Otherwise, delete the file if it is writable
978
979 else
980 if Force_Deletions
981 or else Is_Writable_File (Full_Name (1 .. Last))
982 then
983 Delete_File (Full_Name (1 .. Last), Success);
984 else
985 Success := False;
986 end if;
987
988 if Verbose_Mode or else not Quiet_Output then
989 if not Success then
990 Put ("Warning: """);
991 Put (Full_Name (1 .. Last));
992 Put_Line (""" could not be deleted");
993
994 else
995 Put ("""");
996 Put (Full_Name (1 .. Last));
997 Put_Line (""" has been deleted");
998 end if;
999 end if;
1000 end if;
1001 end Delete;
1002
1003 -----------------------------------
1004 -- Delete_Binder_Generated_Files --
1005 -----------------------------------
1006
1007 procedure Delete_Binder_Generated_Files (Dir : String; Source : Name_Id) is
1008 Source_Name : constant String := Get_Name_String (Source);
1009 Current : constant String := Get_Current_Dir;
1010 Last : constant Positive := B_Start'Length + Source_Name'Length;
1011 File_Name : String (1 .. Last + 4);
1012
1013 begin
1014 Change_Dir (Dir);
1015
1016 -- Build the file name (before the extension)
1017
1018 File_Name (1 .. B_Start'Length) := B_Start;
1019 File_Name (B_Start'Length + 1 .. Last) := Source_Name;
1020
1021 -- Spec
1022
1023 File_Name (Last + 1 .. Last + 4) := ".ads";
1024
1025 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1026 Delete (Dir, File_Name (1 .. Last + 4));
1027 end if;
1028
1029 -- Body
1030
1031 File_Name (Last + 1 .. Last + 4) := ".adb";
1032
1033 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1034 Delete (Dir, File_Name (1 .. Last + 4));
1035 end if;
1036
1037 -- ALI file
1038
1039 File_Name (Last + 1 .. Last + 4) := ".ali";
1040
1041 if Is_Regular_File (File_Name (1 .. Last + 4)) then
1042 Delete (Dir, File_Name (1 .. Last + 4));
1043 end if;
1044
1045 -- Object file
1046
1047 File_Name (Last + 1 .. Last + Object_Suffix'Length) := Object_Suffix;
1048
1049 if Is_Regular_File (File_Name (1 .. Last + Object_Suffix'Length)) then
1050 Delete (Dir, File_Name (1 .. Last + Object_Suffix'Length));
1051 end if;
1052
1053 -- Change back to previous directory
1054
1055 Change_Dir (Current);
1056 end Delete_Binder_Generated_Files;
1057
1058 -----------------------
1059 -- Display_Copyright --
1060 -----------------------
1061
1062 procedure Display_Copyright is
1063 begin
1064 if not Copyright_Displayed then
1065 Copyright_Displayed := True;
1066 Put_Line ("GNATCLEAN " & Gnatvsn.Gnat_Version_String
1067 & " Copyright 2003-2005 Free Software Foundation, Inc.");
1068 end if;
1069 end Display_Copyright;
1070
1071 -------------
1072 -- Empty_Q --
1073 -------------
1074
1075 function Empty_Q return Boolean is
1076 begin
1077 return Q_Front >= Q.Last;
1078 end Empty_Q;
1079
1080 --------------------
1081 -- Extract_From_Q --
1082 --------------------
1083
1084 procedure Extract_From_Q (Lib_File : out File_Name_Type) is
1085 Lib : constant File_Name_Type := Q.Table (Q_Front);
1086
1087 begin
1088 Q_Front := Q_Front + 1;
1089 Lib_File := Lib;
1090 end Extract_From_Q;
1091
1092 ---------------
1093 -- Gnatclean --
1094 ---------------
1095
1096 procedure Gnatclean is
1097 begin
1098 -- Do the necessary initializations
1099
1100 Clean.Initialize;
1101
1102 -- Parse the command line, getting the switches and the executable names
1103
1104 Parse_Cmd_Line;
1105
1106 if Verbose_Mode then
1107 Display_Copyright;
1108 end if;
1109
1110 if Project_File_Name /= null then
1111
1112 -- A project file was specified by a -P switch
1113
1114 if Opt.Verbose_Mode then
1115 New_Line;
1116 Put ("Parsing Project File """);
1117 Put (Project_File_Name.all);
1118 Put_Line (""".");
1119 New_Line;
1120 end if;
1121
1122 -- Set the project parsing verbosity to whatever was specified
1123 -- by a possible -vP switch.
1124
1125 Prj.Pars.Set_Verbosity (To => Current_Verbosity);
1126
1127 -- Parse the project file. If there is an error, Main_Project
1128 -- will still be No_Project.
1129
1130 Prj.Pars.Parse
1131 (Project => Main_Project,
1132 In_Tree => Project_Tree,
1133 Project_File_Name => Project_File_Name.all,
1134 Packages_To_Check => Packages_To_Check_By_Gnatmake);
1135
1136 if Main_Project = No_Project then
1137 Fail ("""" & Project_File_Name.all & """ processing failed");
1138 end if;
1139
1140 if Opt.Verbose_Mode then
1141 New_Line;
1142 Put ("Parsing of Project File """);
1143 Put (Project_File_Name.all);
1144 Put (""" is finished.");
1145 New_Line;
1146 end if;
1147
1148 -- Add source directories and object directories to the search paths
1149
1150 Add_Source_Directories (Main_Project, Project_Tree);
1151 Add_Object_Directories (Main_Project, Project_Tree);
1152 end if;
1153
1154 Osint.Add_Default_Search_Dirs;
1155
1156 -- If a project file was specified, but no executable name, put all
1157 -- the mains of the project file (if any) as if there were on the
1158 -- command line.
1159
1160 if Main_Project /= No_Project and then Osint.Number_Of_Files = 0 then
1161 declare
1162 Value : String_List_Id :=
1163 Project_Tree.Projects.Table (Main_Project).Mains;
1164 Main : String_Element;
1165 begin
1166 while Value /= Prj.Nil_String loop
1167 Main := Project_Tree.String_Elements.Table (Value);
1168 Osint.Add_File
1169 (File_Name => Get_Name_String (Main.Value),
1170 Index => Main.Index);
1171 Value := Main.Next;
1172 end loop;
1173 end;
1174 end if;
1175
1176 -- If neither a project file nor an executable were specified,
1177 -- output the usage and exit.
1178
1179 if Main_Project = No_Project and then Osint.Number_Of_Files = 0 then
1180 Usage;
1181 return;
1182 end if;
1183
1184 if Verbose_Mode then
1185 New_Line;
1186 end if;
1187
1188 if Main_Project /= No_Project then
1189
1190 -- If a project file has been specified, call Clean_Project with the
1191 -- project id of this project file, after resetting the list of
1192 -- processed projects.
1193
1194 Processed_Projects.Init;
1195 Clean_Project (Main_Project);
1196
1197 else
1198 -- If no project file has been specified, the work is done in
1199 -- Clean_Executables.
1200
1201 Clean_Executables;
1202 end if;
1203
1204 -- In verbose mode, if Delete has not been called, indicate that
1205 -- no file needs to be deleted.
1206
1207 if Verbose_Mode and (not File_Deleted) then
1208 New_Line;
1209
1210 if Do_Nothing then
1211 Put_Line ("No file needs to be deleted");
1212 else
1213 Put_Line ("No file has been deleted");
1214 end if;
1215 end if;
1216 end Gnatclean;
1217
1218 ------------------------
1219 -- In_Extension_Chain --
1220 ------------------------
1221
1222 function In_Extension_Chain
1223 (Of_Project : Project_Id;
1224 Prj : Project_Id) return Boolean
1225 is
1226 Data : Project_Data;
1227
1228 begin
1229 if Prj = No_Project or else Of_Project = No_Project then
1230 return False;
1231 end if;
1232
1233 if Of_Project = Prj then
1234 return True;
1235 end if;
1236
1237 Data := Project_Tree.Projects.Table (Of_Project);
1238
1239 while Data.Extends /= No_Project loop
1240 if Data.Extends = Prj then
1241 return True;
1242 end if;
1243
1244 Data := Project_Tree.Projects.Table (Data.Extends);
1245 end loop;
1246
1247 Data := Project_Tree.Projects.Table (Prj);
1248
1249 while Data.Extends /= No_Project loop
1250 if Data.Extends = Of_Project then
1251 return True;
1252 end if;
1253
1254 Data := Project_Tree.Projects.Table (Data.Extends);
1255 end loop;
1256
1257 return False;
1258 end In_Extension_Chain;
1259
1260 ------------
1261 -- Init_Q --
1262 ------------
1263
1264 procedure Init_Q is
1265 begin
1266 Q_Front := Q.First;
1267 Q.Set_Last (Q.First);
1268 end Init_Q;
1269
1270 ----------------
1271 -- Initialize --
1272 ----------------
1273
1274 procedure Initialize is
1275 begin
1276 if not Initialized then
1277 Initialized := True;
1278
1279 -- Initialize some packages
1280
1281 Csets.Initialize;
1282 Namet.Initialize;
1283 Snames.Initialize;
1284 Prj.Initialize (Project_Tree);
1285 end if;
1286
1287 -- Reset global variables
1288
1289 Free (Object_Directory_Path);
1290 Do_Nothing := False;
1291 File_Deleted := False;
1292 Copyright_Displayed := False;
1293 Usage_Displayed := False;
1294 Free (Project_File_Name);
1295 Main_Project := Prj.No_Project;
1296 All_Projects := False;
1297 end Initialize;
1298
1299 --------------
1300 -- Insert_Q --
1301 --------------
1302
1303 procedure Insert_Q (Lib_File : File_Name_Type) is
1304 begin
1305 -- Do not insert an empty name or an already marked source
1306
1307 if Lib_File /= No_Name and then not Makeutl.Is_Marked (Lib_File) then
1308 Q.Table (Q.Last) := Lib_File;
1309 Q.Increment_Last;
1310
1311 -- Mark the source that has been just added to the Q
1312
1313 Makeutl.Mark (Lib_File);
1314 end if;
1315 end Insert_Q;
1316
1317 ----------------------
1318 -- Object_File_Name --
1319 ----------------------
1320
1321 function Object_File_Name (Source : Name_Id) return String is
1322 Src : constant String := Get_Name_String (Source);
1323
1324 begin
1325 -- If the source name has an extension, then replace it with
1326 -- the Object suffix.
1327
1328 for Index in reverse Src'First + 1 .. Src'Last loop
1329 if Src (Index) = '.' then
1330 return Src (Src'First .. Index - 1) & Object_Suffix;
1331 end if;
1332 end loop;
1333
1334 -- If there is no dot, or if it is the first character, just add the
1335 -- ALI suffix.
1336
1337 return Src & Object_Suffix;
1338 end Object_File_Name;
1339
1340 --------------------
1341 -- Parse_Cmd_Line --
1342 --------------------
1343
1344 procedure Parse_Cmd_Line is
1345 Source_Index : Int := 0;
1346 Index : Positive := 1;
1347 Last : constant Natural := Argument_Count;
1348
1349 begin
1350 while Index <= Last loop
1351 declare
1352 Arg : constant String := Argument (Index);
1353
1354 procedure Bad_Argument;
1355 -- Signal bad argument
1356
1357 ------------------
1358 -- Bad_Argument --
1359 ------------------
1360
1361 procedure Bad_Argument is
1362 begin
1363 Fail ("invalid argument """, Arg, """");
1364 end Bad_Argument;
1365
1366 begin
1367 if Arg'Length /= 0 then
1368 if Arg (1) = '-' then
1369 if Arg'Length = 1 then
1370 Bad_Argument;
1371 end if;
1372
1373 case Arg (2) is
1374 when 'a' =>
1375 if Arg'Length < 4 or else Arg (3) /= 'O' then
1376 Bad_Argument;
1377 end if;
1378
1379 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1380
1381 when 'c' =>
1382 Compile_Only := True;
1383
1384 when 'D' =>
1385 if Object_Directory_Path /= null then
1386 Fail ("duplicate -D switch");
1387
1388 elsif Project_File_Name /= null then
1389 Fail ("-P and -D cannot be used simultaneously");
1390 end if;
1391
1392 if Arg'Length > 2 then
1393 declare
1394 Dir : constant String := Arg (3 .. Arg'Last);
1395 begin
1396 if not Is_Directory (Dir) then
1397 Fail (Dir, " is not a directory");
1398 else
1399 Add_Lib_Search_Dir (Dir);
1400 end if;
1401 end;
1402
1403 else
1404 if Index = Last then
1405 Fail ("no directory specified after -D");
1406 end if;
1407
1408 Index := Index + 1;
1409
1410 declare
1411 Dir : constant String := Argument (Index);
1412 begin
1413 if not Is_Directory (Dir) then
1414 Fail (Dir, " is not a directory");
1415 else
1416 Add_Lib_Search_Dir (Dir);
1417 end if;
1418 end;
1419 end if;
1420
1421 when 'f' =>
1422 Force_Deletions := True;
1423
1424 when 'F' =>
1425 Full_Path_Name_For_Brief_Errors := True;
1426
1427 when 'h' =>
1428 Usage;
1429
1430 when 'i' =>
1431 if Arg'Length = 2 then
1432 Bad_Argument;
1433 end if;
1434
1435 Source_Index := 0;
1436
1437 for J in 3 .. Arg'Last loop
1438 if Arg (J) not in '0' .. '9' then
1439 Bad_Argument;
1440 end if;
1441
1442 Source_Index :=
1443 (20 * Source_Index) +
1444 (Character'Pos (Arg (J)) - Character'Pos ('0'));
1445 end loop;
1446
1447 when 'I' =>
1448 if Arg = "-I-" then
1449 Opt.Look_In_Primary_Dir := False;
1450
1451 else
1452 if Arg'Length = 2 then
1453 Bad_Argument;
1454 end if;
1455
1456 Add_Lib_Search_Dir (Arg (3 .. Arg'Last));
1457 end if;
1458
1459 when 'n' =>
1460 Do_Nothing := True;
1461
1462 when 'P' =>
1463 if Project_File_Name /= null then
1464 Fail ("multiple -P switches");
1465
1466 elsif Object_Directory_Path /= null then
1467 Fail ("-D and -P cannot be used simultaneously");
1468
1469 end if;
1470
1471 if Arg'Length > 2 then
1472 declare
1473 Prj : constant String := Arg (3 .. Arg'Last);
1474 begin
1475 if Prj'Length > 1 and then
1476 Prj (Prj'First) = '='
1477 then
1478 Project_File_Name :=
1479 new String'
1480 (Prj (Prj'First + 1 .. Prj'Last));
1481 else
1482 Project_File_Name := new String'(Prj);
1483 end if;
1484 end;
1485
1486 else
1487 if Index = Last then
1488 Fail ("no project specified after -P");
1489 end if;
1490
1491 Index := Index + 1;
1492 Project_File_Name := new String'(Argument (Index));
1493 end if;
1494
1495 when 'q' =>
1496 Quiet_Output := True;
1497
1498 when 'r' =>
1499 All_Projects := True;
1500
1501 when 'v' =>
1502 if Arg = "-v" then
1503 Verbose_Mode := True;
1504
1505 elsif Arg = "-vP0" then
1506 Current_Verbosity := Prj.Default;
1507
1508 elsif Arg = "-vP1" then
1509 Current_Verbosity := Prj.Medium;
1510
1511 elsif Arg = "-vP2" then
1512 Current_Verbosity := Prj.High;
1513
1514 else
1515 Bad_Argument;
1516 end if;
1517
1518 when 'X' =>
1519 if Arg'Length = 2 then
1520 Bad_Argument;
1521 end if;
1522
1523 declare
1524 Ext_Asgn : constant String := Arg (3 .. Arg'Last);
1525 Start : Positive := Ext_Asgn'First;
1526 Stop : Natural := Ext_Asgn'Last;
1527 Equal_Pos : Natural;
1528 OK : Boolean := True;
1529
1530 begin
1531 if Ext_Asgn (Start) = '"' then
1532 if Ext_Asgn (Stop) = '"' then
1533 Start := Start + 1;
1534 Stop := Stop - 1;
1535
1536 else
1537 OK := False;
1538 end if;
1539 end if;
1540
1541 Equal_Pos := Start;
1542
1543 while Equal_Pos <= Stop
1544 and then Ext_Asgn (Equal_Pos) /= '='
1545 loop
1546 Equal_Pos := Equal_Pos + 1;
1547 end loop;
1548
1549 if Equal_Pos = Start or else Equal_Pos > Stop then
1550 OK := False;
1551 end if;
1552
1553 if OK then
1554 Prj.Ext.Add
1555 (External_Name =>
1556 Ext_Asgn (Start .. Equal_Pos - 1),
1557 Value =>
1558 Ext_Asgn (Equal_Pos + 1 .. Stop));
1559
1560 else
1561 Fail
1562 ("illegal external assignment '",
1563 Ext_Asgn, "'");
1564 end if;
1565 end;
1566
1567 when others =>
1568 Bad_Argument;
1569 end case;
1570
1571 else
1572 Add_File (Arg, Source_Index);
1573 end if;
1574 end if;
1575 end;
1576
1577 Index := Index + 1;
1578 end loop;
1579 end Parse_Cmd_Line;
1580
1581 -----------------------
1582 -- Repinfo_File_Name --
1583 -----------------------
1584
1585 function Repinfo_File_Name (Source : Name_Id) return String is
1586 begin
1587 return Get_Name_String (Source) & Repinfo_Suffix;
1588 end Repinfo_File_Name;
1589
1590 --------------------
1591 -- Tree_File_Name --
1592 --------------------
1593
1594 function Tree_File_Name (Source : Name_Id) return String is
1595 Src : constant String := Get_Name_String (Source);
1596
1597 begin
1598 -- If the source name has an extension, then replace it with
1599 -- the tree suffix.
1600
1601 for Index in reverse Src'First + 1 .. Src'Last loop
1602 if Src (Index) = '.' then
1603 return Src (Src'First .. Index - 1) & Tree_Suffix;
1604 end if;
1605 end loop;
1606
1607 -- If there is no dot, or if it is the first character, just add the
1608 -- tree suffix.
1609
1610 return Src & Tree_Suffix;
1611 end Tree_File_Name;
1612
1613 -----------
1614 -- Usage --
1615 -----------
1616
1617 procedure Usage is
1618 begin
1619 if not Usage_Displayed then
1620 Usage_Displayed := True;
1621 Display_Copyright;
1622 Put_Line ("Usage: gnatclean [switches] {[-innn] name}");
1623 New_Line;
1624
1625 Put_Line (" names is one or more file names from which " &
1626 "the .adb or .ads suffix may be omitted");
1627 Put_Line (" names may be omitted if -P<project> is specified");
1628 New_Line;
1629
1630 Put_Line (" -c Only delete compiler generated files");
1631 Put_Line (" -D dir Specify dir as the object library");
1632 Put_Line (" -f Force deletions of unwritable files");
1633 Put_Line (" -F Full project path name " &
1634 "in brief error messages");
1635 Put_Line (" -h Display this message");
1636 Put_Line (" -innn Index of unit in source for following names");
1637 Put_Line (" -n Nothing to do: only list files to delete");
1638 Put_Line (" -Pproj Use GNAT Project File proj");
1639 Put_Line (" -q Be quiet/terse");
1640 Put_Line (" -r Clean all projects recursively");
1641 Put_Line (" -v Verbose mode");
1642 Put_Line (" -vPx Specify verbosity when parsing " &
1643 "GNAT Project Files");
1644 Put_Line (" -Xnm=val Specify an external reference " &
1645 "for GNAT Project Files");
1646 New_Line;
1647
1648 Put_Line (" -aOdir Specify ALI/object files search path");
1649 Put_Line (" -Idir Like -aOdir");
1650 Put_Line (" -I- Don't look for source/library files " &
1651 "in the default directory");
1652 New_Line;
1653 end if;
1654 end Usage;
1655
1656 begin
1657 if Hostparm.OpenVMS then
1658 Debug_Suffix (Debug_Suffix'First) := '_';
1659 Repinfo_Suffix (Repinfo_Suffix'First) := '_';
1660 B_Start (B_Start'Last) := '$';
1661 end if;
1662 end Clean;
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